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Cheap flights from Portland to Melbourne Airport from $848

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/9. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — MEL
17 Aug — 24 Aug1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Portland to Melbourne

Enter your travel dates to find the best prices.

Cheapest flights from Portland to Melbourne
Explore the most affordable flight options available from Portland to Melbourne. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 18 July 2026.

Sun 23/810:10
PDX
-
MEL
2 stops35h 05m
Multiple Airlines
Mon 31/806:00
MEL
-
PDX
2 stops20h 31m
Multiple Airlines
Deal found 17/7$1,540
Mon 24/819:45
PDX
-
MEL
2 stops22h 35m
Multiple Airlines
Mon 31/806:00
MEL
-
PDX
2 stops20h 31m
Multiple Airlines
Deal found 14/7$1,543
Wed 4/1119:10
PDX
-
MEL
2 stops24h 25m
Multiple Airlines
Sun 8/1106:05
MEL
-
PDX
2 stops22h 21m
Multiple Airlines
Deal found 13/7$1,544
Mon 31/819:45
PDX
-
MEL
2 stops22h 35m
Multiple Airlines
Mon 7/921:05
MEL
-
PDX
2 stops29h 26m
Multiple Airlines
Deal found 17/7$1,548
Sun 8/1119:10
PDX
-
MEL
2 stops23h 25m
Air Canada
Sun 29/1107:00
MEL
-
PDX
2 stops30h 31m
Air Canada
Deal found 13/7$1,555
Sun 1/1119:10
PDX
-
MEL
2 stops22h 30m
Multiple Airlines
Sun 8/1106:05
MEL
-
PDX
2 stops22h 21m
Multiple Airlines
Deal found 13/7$1,557
Mon 26/1019:10
PDX
-
MEL
2 stops23h 15m
Multiple Airlines
Thu 19/1106:05
MEL
-
PDX
2 stops22h 21m
Multiple Airlines
Deal found 13/7$1,587
Sat 15/819:45
PDX
-
MEL
2 stops22h 35m
Multiple Airlines
Sat 22/821:05
MEL
-
PDX
2 stops29h 26m
Multiple Airlines
Deal found 17/7$1,601
Wed 25/1119:10
PDX
-
MEL
2 stops24h 40m
Multiple Airlines
Sun 29/1107:30
MEL
-
PDX
2 stops20h 56m
Multiple Airlines
Deal found 14/7$1,618

Find flight deals from Portland to Melbourne

Discover tips and strategies to find the most affordable flight options for your journey from Portland (PDX) to Melbourne (MEL). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 18 July 2026.

Round-trip from

$1,540

One-way from

$848

Popular in

July

Cheapest in

June

Average price

$2,365
Air Canada
  • Air Canada
  • 23/8-31/8
  • 4 total stops
  • 55h 36m total
  • Portland to Melbourne
Search Deals
2/9
  • 2/9
  • 2 total stops
  • 22h 35m total
  • Portland to Melbourne
Search Deals
Highest demand for flights based on searches. 6% potential increase in price ($157 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($85 potential savings vs. average return price).
Search Deals
Average for round-trip flights in July 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Portland to Melbourne that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 647,157 searches. Data last updated 18 July 2026.
Use the filters below to find and compare flights from Portland to Melbourne Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Fri 14/8

17:35-07:50

1 stop21h 15m

Melbourne

Fri 21/8

10:00-19:16

1 stop26h 16m

$1,727

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Fri 14/8

19:15-08:15

1 stop20h 00m

Melbourne

Fri 21/8

10:55-14:47

1 stop20h 52m

$1,734

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Mon 24/8

19:15-08:15

1 stop20h 00m

Melbourne

Tue 1/9

10:55-18:19

1 stop24h 24m

$1,736

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Thu 6/8

18:50-07:30

2 stops43h 40m

Melbourne

Fri 21/8

10:55-17:50

2 stops23h 55m

$1,742

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Fri 13/11

13:19-10:30

1 stop26h 11m

Melbourne

Fri 20/11

12:45-14:34

1 stop20h 49m

$1,763

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Wed 4/11

15:36-10:30

1 stop23h 54m

Melbourne

Sun 8/11

12:45-18:29

1 stop24h 44m

$1,763

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Sat 31/10

15:36-09:30

1 stop23h 54m

Melbourne

Wed 4/11

12:45-14:34

1 stop20h 49m

$1,763

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Mon 11/1

19:49-13:15

2 stops22h 26m

Melbourne

Mon 18/1

11:30-20:49

2 stops28h 19m

$1,766

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Sat 26/12

19:32-10:30

1 stop19h 58m

Melbourne

Mon 11/1

11:30-09:40

2 stops41h 10m

$1,964
Fastest return journey

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Mon 27/7

17:37-07:50

1 stop21h 13m

Melbourne

Sat 26/12

12:00-12:18

1 stop19h 18m

$2,441

Flights are sorted by cheapest return flights first.

Deals found on 16/7

Showing 1-10 of 17 resultsSorted by cheapest first
1
2

Best time to book a flight from Portland to Melbourne

Have a flexible travel schedule? Discover the best time to fly to Melbourne from Portland with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Portland to Melbourne Airport

What is the cheapest month to book a flight from Portland to Melbourne Airport?

Currently, June is the cheapest month in which you can book a flight from Portland to Melbourne Airport (average of $1,409). Flying from Portland to Melbourne Airport in July is currently the most expensive (average of $2,365). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

How much does it cost for a return flight from Portland to Melbourne Airport?

Related info for your journey

Find useful and relevant information for your journey from Portland to Melbourne. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Portland to Melbourne?

    Located just 9.7 km from the city centre, Portland is the airport most travellers will use when flying to Melbourne from Portland. Booking flights from Portland (PDX) to Melbourne should be relatively easy as there are 0 daily outbound flights to Melbourne from 0 different airlines.

  • How long is the flight from Portland to Melbourne Airport?

    A quick flight from Portland to Melbourne Airport can take about 20h. Delta provides one of the quickest options available for as low as $1,734. There are 13053 km between Portland and Melbourne Airport. Both multi-stop and direct flights can be found to your destination and back.

  • Can I find deals for flights from Portland to Melbourne that include hotel bookings?

    Yes. In addition to deals on Portland to Melbourne flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Portland to Melbourne?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Portland to Melbourne.

  • Can I find deals for business class flights from Portland to Melbourne?

    Yes. Cheapflights offers flight deals from Portland to Melbourne by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Portland to Melbourne Airport?

    Currently, June is the cheapest month in which you can book a flight from Portland to Melbourne Airport (average of $1,409). Flying from Portland to Melbourne Airport in July is currently the most expensive (average of $2,365). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Travelling to a place near Melbourne Airport?

Book flights to Melbourne Airport if you plan to visit one of these locations
Dandenong
Geelong
Ballarat
Tullamarine
Apollo Bay
Lorne
Shepparton
St Kilda
Phillip Island
Sorrento
Torquay
Daylesford
Mornington
Brighton

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How does Cheapflights help users find flights from Portland to Melbourne?

Cheapflights makes it easy to find Portland to Melbourne flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from Portland to Melbourne?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Melbourne from Portland.

Can Cheapflights find flights from Portland to Melbourne with no change fees?

Yes, we can. To see specific flights from Portland to Melbourne with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from Portland to Melbourne become cheaper?

Yes! Start tracking prices for Portland to Melbourne flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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